Wierje has seen 70 bands.

Band Concerts Seen
  Poco 5 concerts
  Alice Cooper 3 concerts
  Yes 3 concerts
  Blue Öyster Cult 2 concerts
  Elton John 2 concerts
  Jim Croce 2 concerts
  KISS 2 concerts
  Leon Russell 2 concerts
  Montrose 2 concerts
  Robin Trower 2 concerts
  Stories 2 concerts
  The Moody Blues 2 concerts
  ZZ Top 2 concerts
  Aimee Mann 1 concert
  Albert King 1 concert
  B.B. King 1 concert
  Bob Seger & The Silver Bullet Band 1 concert
  Brewer and Shipley 1 concert
  brownsville station 1 concert
  Captain Beyond 1 concert
  cheech and chong 1 concert
  Chicago 1 concert
  Commander Cody and His Lost Planet Airmen 1 concert
  Cornelius Brothers 1 concert
  Crawler 1 concert